In cutting-edge sectors including aerospace, nuclear power, electronics and electrical appliances, the performance boundaries of new materials are constantly being challenged. As a critical cyclic monomer in organosilicon chemistry, Octaphenylcyclotetrasiloxane, with its unique phenyl structure, acts as an indispensable core raw material for synthesizing high-performance organosilicon polymers, endowing new materials with exceptional high-low temperature resistance, radiation resistance and mechanical strength.

Basic Information

Chinese Name: 八苯基环四硅氧烷

English Name: Octaphenylcyclotetrasiloxane

Common Abbreviation: OPS

Chemical Formula: C₄₈H₄₀O₄Si₄

Appearance: White crystalline powder

Key Properties

· Heat & Radiation Resistance: Remarkably improves the thermal stability and radiation resistance of polymers.

· Enhanced Hydrophobicity: Boasts favorable hydrophobicity, ideal for protective materials applied in harsh environments.

· High Refractive Index & Rigidity: Achieves higher refractive index and mechanical strength for optical and structural materials.

· High Purity & Low Weight Loss: Purity ≥99%, thermal weight loss ＜0.3% (110℃, 2h), with stable and reliable quality.

Application Scenarios

· High-Performance Silicone Rubber & Silicone Oil: A primary raw material for synthesizing phenyl silicone rubber and phenyl silicone oil. It is applied in aerospace sealing, nuclear power cables, hightemperature coils and other scenarios to guarantee stable operation of equipment under extreme conditions.

· Electronics, Electrical Appliances & Optical Materials: Serves as a functional filler or modifying monomer to boost the heat resistance and refractive index of packaging materials, optical adhesives, etc., satisfying high-end electronic and optoelectronic demands.

· Flame-Retardant & Polymer Additives: Used for developing high-temperature-resistant and flame-retardant polymer additives to enhance the comprehensive performance of composite materials.

Safety & Storage

Safety Notes: Protective gear is recommended during handling to prevent dust inhalation and skin/eye contact.

Storage Conditions: Keep sealed in a cool, dry and well-ventilated area, away from fire sources and strong oxidants.

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